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This internal infrastructure test simulates what could happen if someone gained access to your internal network – from a phishing compromise to a malicious insider threat.
You’ll receive detailed findings, expert remediation advice and clear evidence to support ISO 27001, GDPR, PCI DSS and other compliance frameworks.
Delivered by CREST-certified testers, with one-to-one support and a fast turnaround.
Get started today – fast turnaround available
This Internal Infrastructure Penetration Test simulates an attack from within your network – the kind of threat that could occur through phishing, poor access control or a disgruntled insider. The aim is to uncover vulnerabilities that could lead to compromise or escalation once internal access has been gained.
Download the full service description
We’ll assess the resilience of your:
Using a blend of manual testing and automated tools, our testers replicate the techniques used in real-world attacks to uncover weaknesses within your systems.
At the end of the process, you’ll receive a detailed report and an actionable remediation plan, prioritised by business risk.
Ideal for organisations with a corporate network and workforce access to internal assets – particularly those with high staff turnover, hybrid working arrangements or limited internal IT capacity.
You’ll get a comprehensive report with clear, actionable insights, including:
Need to present the results to management, regulators or auditors? Our documentation supports both technical and non-technical audiences, so you can communicate risk clearly at every level.

"I also wanted to specially mention what a positive experience we had interacting with the consultant for the pen-testing exercises. The consultant proved to be very approachable, extremely knowledgeable and very supportive while working with me remotely to get all the preparations for testing completed and the daily feedback over the last weekend for the internal testing was very valuable."
- Anonymous

"The knowledge transfer sessions with Ross Higgins (Penetration Tester) was excellent and exactly what I was looking for. We’re now able to do some of the basic checks relating to Passwords ourselves between now and the next Penetration Test by ITG."
- Gordon
Discover what an attacker – or an insider – could access or exploit if they gained internal access to your systems.
Act quickly using our prioritised remediation guidance to close security gaps and lower your exposure.
Use the findings to strengthen your risk assessments and demonstrate compliance with ISO 27001, GDPR, PCI DSS and more.
Our reporting is tailored for both technical teams and business stakeholders, making it easy to share insights with decision-makers.
You’ll work directly with an experienced CREST-certified consultant – from initial scoping through to the final debrief.